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Foundation near an Existing Well

 
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bennyj
SEFI Member
SEFI Member


Joined: 10 Jun 2011
Posts: 12
Location: Chennai

PostPosted: Thu Sep 15, 2016 5:13 am    Post subject: Foundation near an Existing Well Reply with quote

Dear Sefians,

In a residential apartment project in Chennai, after we issued the foundation drawings we encountered a situation where the foundation we placed fell next(150mm away) to a dug well. The dug well has a diameter of 10 ft. The client is not willing to close the well. The foundation that we have provided is a Strip footing and the column load on the corresponding footing comes around 1400 kN. The construction has not yet begun. Should we have to provide any additional measures to support the soil and the well.

Kindly advise.

Regards,
Benny.
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es_jayakumar
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Joined: 24 Nov 2011
Posts: 1376
Location: Cochin

PostPosted: Thu Sep 15, 2016 6:23 am    Post subject: Reply with quote

If the open well has RCC steining (ring) provided at its top, it can take up the hoop compression due to extra pressure exerted by the foundation, that is to be placed very close to the well.

E S Jayakumar
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bennyj
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Joined: 10 Jun 2011
Posts: 12
Location: Chennai

PostPosted: Thu Sep 15, 2016 6:31 am    Post subject: Reply with quote

Thank You very much Sir, for your immediate reply..!!!. We will check if there is an RCC ring around the well.
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